# N266HC: 2012 Southard Brian Keith HELICYCLE

- Status: Valid registration
- Airframe: [Southard Brian Keith HELICYCLE](https://openairdocs.org/model/southard-brian-keith-helicycle) (registry code 05631QI, 1 seats)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Serial number: 5-23B-523E
- Year built: 2012
- Type: Rotorcraft
- Engine type: Turbo-shaft
- Kit: Eagle R & D Co LLC HELICYCLE
- Airworthiness: Experimental, amateur built
- Airworthiness date: January 25, 2013
- Certificate issued: March 13, 2012
- Expires: March 31, 2028
- Mode S code: A295F9
- Registered owner: [Southard Brian Keith](https://openairdocs.org/faa-owner/SOUTHARD%20BRIAN%20KEITH)
- Location: [Las Cruces, NM](https://openairdocs.org/faa-place/NM/Las%20Cruces)
- Owner type: Individual
- Owner's area on the map: 32.2231° N, 106.9876° W: Placed by OpenAirDocs at the center of ZIP code 88005, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft is based
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=266HC
- Page: https://openairdocs.org/aircraft/N266HC

From the FAA registry file of October 24, 2026. ADs below are matched by the registry's airframe and engine model codes. They may apply; each AD's applicability can narrow it by serial number, part number or installed equipment. This is not a compliance determination.

## ADs that may apply (OpenAirDocs): 0 in force

### Matched by airframe (Southard Brian Keith HELICYCLE)

None in force.

### Matched by engine (Amateur-built UNKNOWN ENG)

None in force.

## Information bulletins (advisory)

None matched.

## NTSB investigations

None matched to N266HC.

## FAA accident and incident reports

None matched to N266HC.

## Service difficulty reports

None filed for this aircraft. Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

## STCs that may be installed (OpenAirDocs)

None matched to this aircraft's models.

## Earlier aircraft with N266HC

The FAA can reassign an N-number once a registration is cancelled. These aircraft carried N266HC before.

- [Cancelled 1972-11-22](https://openairdocs.org/deregistered/N266HC-1972-11-22): Boeing D75N1, S/N 75-3919. Owner: [Leaders Flying Service Inc](https://openairdocs.org/faa-owner/LEADERS%20FLYING%20SERVICE%20INC), [Clear Lake, MN](https://openairdocs.org/faa-place/MN/Clear%20Lake)

## Related

- Other Southard Brian Keith HELICYCLE aircraft: https://openairdocs.org/model/southard-brian-keith-helicycle/aircraft.md
- The Amateur-built UNKNOWN ENG engine: https://openairdocs.org/engine/amateur-built-unknown-eng.md

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